Hyperbranched aliphatic polyether polyols

摘要

Polyether dendrimers have been known since 1987. They have perfecdy branched structures with low to very low levels of polydispersity. However, the synthesis of dendrimers can be quite complex and consequently expensive for industrial use. Hyperbranched polymers are simpler to synthesise, perhaps involving a one-step synthesis, but the compromise involves accepting a higher level of polydispersity. Both dendrimers and hyperbranched polymers can provide low viscosity, good solubility and multifuncdonality.